Install Picasa 3.0 Beta in Ubuntu using Repository(Stable and Testing)

Picasa is a free photo software from Google. Picasa 3.0 beta for Linux has been released recently and you can install it using repository in Ubuntu, which means you won't be having any trouble in getting updates for Picasa in future.

There are actually two repositories you could choose from. Stable and Testing. As you can infer from their titles, Stable repository will update you with stable releases of Picasa(Picasa 2.7 currently) while the later will get you releases that are meant for testing purposes, like the latest Picasa 3.0 beta for Linux.

Add Keyring First

Before adding any repository you have to add the following keyring to authenticate.